1,5
Cf. A078919.
Sequence in context: A006277 A004106 A012886 this_sequence A054104 A053556 A001048
Adjacent sequences: A078915 A078916 A078917 this_sequence A078919 A078920 A078921
nonn
Benoit Cloitre (benoit7848c(AT)orange.fr), Dec 13 2002
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